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What is the Arithmetic mean of the first 'n' natural numbers?

A. $$\frac{{n\left( {n + 1} \right)}}{2}$$

B. $$\frac{{n + 1}}{2}$$

C. $$\frac{{{n^2}\left( {n + 1} \right)}}{2}$$

D. $$2\left( {n + 1} \right)$$

Answer: Option B

Solution(By Examveda Team)

Sum of first $$n$$ natural numbers $$\frac{{n\left( {n + 1} \right)}}{2}$$
∴ Required average $$ = \frac{{n\left( {n + 1} \right)}}{{2 \times n}} = \frac{{n + 1}}{2}$$

This Question Belongs to Arithmetic Ability >> Number System

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